CN219201886U - High-voltage line testing device - Google Patents
High-voltage line testing device Download PDFInfo
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- CN219201886U CN219201886U CN202222504530.2U CN202222504530U CN219201886U CN 219201886 U CN219201886 U CN 219201886U CN 202222504530 U CN202222504530 U CN 202222504530U CN 219201886 U CN219201886 U CN 219201886U
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- 238000009423 ventilation Methods 0.000 claims abstract description 23
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- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
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Abstract
The utility model discloses a high-voltage line testing device, which comprises an outer chassis, wherein an anti-seismic plate is arranged on the inner side of the outer chassis; through setting up outer machine case and interior machine case, during the test, take out the inside of outer machine case with interior machine case through the handle, the inside test host computer of interior machine case is at the test process, be located the inboard radiator of ventilation pipe box and take out the inside air of interior machine case, and external air gets into between interior machine case and the ventilation pipe box through the inboard through-hole of bottom connecting plate under the effect of negative pressure, finally get into the inside of interior machine case through the top otter board at ventilation pipe box top, and then make the inside air circulation of interior machine case, the radiating effect to the host computer has been improved, rethread handle places the inside of outer machine case in after the test, the inside of outer machine case supports the interior machine case through setting up the shock-proof plate, shock-proof plate can absorb vibrations at the removal in-process, prevent that interior machine case from damaging because the bump takes place for the shock.
Description
Technical Field
The utility model belongs to the technical field of high-voltage line testing, and particularly relates to a high-voltage line testing device.
Background
At present, when a plurality of domestic power debugging units measure line power frequency parameters on site, pointer type meter combinations are adopted, measurement data are required to be read manually for multiple times in an unsynchronized mode, and manual workload is high; although special digital measuring instruments or line parameter testers are used, when the line is longer, the power frequency test power supply capacity required by the line is still quite large; the industrial frequency power supply is adopted for testing, and a voltage regulator, an isolation transformer, a high-voltage current transformer, a voltage transformer and other devices are needed, so that the test equipment is heavy, large and multiple, and the test wiring is very complicated; along with the development of national power construction and the increase of the same-pole erection and crossing of power supply lines, the induced voltages among the power transmission lines are continuously improved, and serious threat is caused to the safety of testers and instruments; and strong interference is brought to accurate measurement of line parameters.
The existing high-voltage line testing device is combined with the actual condition of the field to develop a line parameter variable frequency testing system, and the testing system can adopt a non-power frequency power supply to test a line so as to replace a plurality of devices required by the current line testing, and avoid interference of power frequency induction on measurement accuracy. In order to further weaken the threat of the power frequency induction voltage and the current to the measurement safety and the interference to the measurement accuracy, the company makes special treatment in the frequency conversion power supply which is the core component of the test system, and is used for discharging the power frequency induction current and removing the power frequency induction voltage. The test system host can perform fixed frequency sampling on the set frequency signal, and the theoretical reference value of each kilometer of the transmission line with different types and line diameters in the database in the instrument is used for correcting the non-power frequency of the test result to obtain the line parameter test value under power frequency. The user can confirm that the test frequency is power frequency or variable frequency according to the power frequency induction voltage of the circuit to be tested, if the fixed frequency test is adopted, the instrument can automatically reduce the circuit test parameters to the test result under the power frequency condition, and a standard and standard test report is generated. Therefore, the traditional test of the line parameters is greatly simplified, and the influence of the power frequency induced voltage and current on the test result can be avoided; the following technical drawbacks remain: in order to ensure the safety of the device, the adopted case is closed, the ventilation and heat dissipation performances are poor, and the device is easy to be knocked by a bump in the moving process, so that the high-voltage line testing device is provided.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides a high-voltage line testing device, so as to solve the problems that in the background art, a case is closed, ventilation and heat dissipation performances are poor, and the device is easy to be knocked and bumped in a moving process, so that the safety of the device is ensured.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-voltage line testing arrangement, includes outer quick-witted case, outer quick-witted case inboard is provided with the shock-resistant board, shock-resistant board top is provided with interior quick-witted case, interior quick-witted case inboard is provided with the ventilation pipe box, the bottom of ventilation pipe box is through bottom connecting plate and interior quick-witted case fixed connection, the inboard fixed connection of top otter board and interior quick-witted case is passed through at the top of ventilation pipe box, the through-hole has been seted up to bottom connecting plate inboard, the inboard lower extreme fixedly connected with radiator of ventilation pipe box, the inboard top fixedly connected with test panel of interior quick-witted case, the equal fixedly connected with handle in both sides at interior quick-witted case top, the bottom fixedly connected with test host computer that interior quick-witted incasement portion is located test panel.
Preferably, one side of the top of the outer case is rotationally connected with a cover plate, the other sides of the outer case and the cover plate are mutually clamped and connected, and the upper ends of the two sides of the outer case are provided with grooves.
Preferably, the four corners of the bottom of the shock-resistant plate are fixedly connected with dampers, the other ends of the dampers are fixedly connected with the outer chassis, and springs are arranged on the outer sides of the dampers.
Preferably, rubber corner pads are fixedly connected to four corners of the shock-resistant plate, and the rubber corner pads are in clearance fit with the inner chassis.
Preferably, the four corners of the bottom of the inner chassis are fixedly connected with struts, the top of the anti-seismic plate is provided with jacks corresponding to the struts, and the struts are located at the inner sides of the jacks.
Preferably, an input voltage terminal and an output voltage terminal are arranged on one side of the top of the test panel, a control key is arranged on one side, away from the input voltage terminal and the output voltage terminal, of the top of the test panel, the control key is located on one side of the display screen, and a printer is arranged on one side, located on the output voltage terminal, of the top of the test panel.
Preferably, the top of the test panel is provided with a power connector and an RS232 interface at the other side of the display screen.
Compared with the prior art, the utility model provides a high-voltage line testing device, which has the following beneficial effects:
1. according to the utility model, the outer chassis and the inner chassis are arranged, during testing, the inner chassis is taken out from the inner part of the outer chassis through the handle, the test host in the inner chassis extracts air in the inner chassis through the radiator positioned at the inner side of the ventilation pipe sleeve in the testing process, and the external air enters between the inner chassis and the ventilation pipe sleeve through the through hole at the inner side of the bottom connecting plate under the action of negative pressure, and finally enters the inner chassis through the top screen plate at the top of the ventilation pipe sleeve, so that the internal air of the inner chassis circulates, the heat dissipation effect of the host is improved, the inner chassis is placed in the outer chassis through the handle after the testing is finished, the inner chassis is supported through the anti-vibration plate arranged in the outer chassis, the anti-vibration plate can absorb vibration in the moving process, and the inner chassis is prevented from being damaged due to collision caused by the bump;
2. according to the utility model, the host in the inner chassis is connected with a power supply through the power connector at the top of the test panel, the line to be tested is connected with the input voltage terminal and the output voltage terminal at the bottom top of the test panel, the corresponding test instruction is selected through the control key, the test host at the bottom of the test panel tests the high-voltage line, the test result is displayed through the display screen at one side of the control key, and the test result can be printed through the printer, so that the test result is analyzed, the input voltage terminal and the output voltage terminal are arranged at one side far away from the control key, the harm of induced electricity to human body and equipment during the test is avoided, meanwhile, communication with other devices can be realized through the arrangement of the RS232 interface, remote communication is also realized, and the use is more convenient.
The device has the advantages of scientific and reasonable structure, safe and convenient use and great help for people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:
FIG. 1 is a schematic diagram of an isometric structure of a high voltage line testing apparatus according to the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a high-voltage line testing apparatus according to the present utility model;
FIG. 3 is a schematic diagram of an axial testing structure of an inner case in a high-voltage line testing apparatus according to the present utility model;
FIG. 4 is a schematic diagram of a bottom axial testing structure of an inner case in a high-voltage line testing apparatus according to the present utility model;
FIG. 5 is a schematic diagram of an explosion structure of an inner case in a high-voltage line testing apparatus according to the present utility model;
FIG. 6 is a schematic diagram of the internal structure of an outer casing of the high-voltage line testing apparatus according to the present utility model;
in the figure: the anti-vibration plate comprises an outer machine case 1, an anti-vibration plate 2, an inner machine case 3, a ventilation pipe sleeve 4, a bottom connecting plate 5, a top screen plate 6, a radiator 7, a test panel 8, a handle 9, a cover plate 10, a groove 11, a damper 12, a spring 13, a rubber corner pad 14, a support 15, an input voltage terminal 16, an output voltage terminal 17, a control key 18, a display screen 19, a printer 20, a power connector 21 and an RS232 interface 22.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a high-voltage line testing arrangement, including outer machine case 1, outer machine case 1 inboard is provided with shock-resistant board 2, shock-resistant board 2 top is provided with interior machine case 3, interior machine case 3 inboard is provided with ventilation pipe sleeve 4, the bottom of ventilation pipe sleeve 4 is through bottom connection board 5 and interior machine case 3 fixed connection, the through-hole has been seted up to bottom connection board 5 inboard, the lower extreme fixedly connected with radiator 7 of ventilation pipe sleeve 4 inboard, the inside top fixedly connected with test panel 8 of interior machine case 3, the equal fixedly connected with handle 9 in both sides at interior machine case 3 top, the inside bottom fixedly connected with host computer that is located test panel 8 of interior machine case 3, during the test, take out interior machine case 3 from the inside of outer machine case 1 through handle 9, the inside test host computer of interior machine case 3 is at the test process, the inside air of interior machine case 3 is taken out through bottom connection board 5 inboard through the through-hole that bottom connection board enters between interior machine case 3 and the interior machine case 4 pipe sleeve under the effect of negative pressure, finally, the inside machine case 3 is got into inside through the inside 6 at the top 6 of interior machine case 4 top through pipe sleeve, the inside of machine case 3 makes the inside shock-absorbing effect that the shock-absorbing the inside of machine case 3 has been carried out in the machine case 2 through the shock-absorbing board 2 in the machine case 2, and the inside the shock-absorbing machine case 1 has been carried out in the inside the machine case 2, and the shock-absorbing effect is prevented in the inside the machine case 1 has been set up inside the shock-absorbing the inside the machine case 2.
In the present utility model, preferably, one side of the top of the outer casing 1 is rotatably connected with the cover plate 10, the other sides of the outer casing 1 and the cover plate 10 are engaged with each other, the upper ends of both sides of the outer casing 1 are provided with the grooves 11, after the inner casing 3 is placed inside the outer casing 1, the cover plate 10 rotatably connected with the top of the outer casing 1 is engaged with the outer casing 1, and the worker can move through the grooves 11 on both sides of the outer casing 1.
In the utility model, preferably, the four corners of the bottom of the shock-resistant plate 2 are fixedly connected with the dampers 12, the other ends of the dampers 12 are fixedly connected with the outer case 1, the outer sides of the dampers 12 are provided with the springs 13, and the dampers 12 positioned between the outer case 1 and the shock-resistant plate 2 are matched with the springs 13 on the outer sides to absorb shock, so that the inner case 3 is prevented from being damaged due to bump.
In the utility model, preferably, the four corners of the shock-resistant plate 2 are fixedly connected with the rubber corner pads 14, the rubber corner pads 14 are in clearance fit with the inner chassis 3, the rubber corner pads 14 are fixedly arranged at the four corners of the shock-resistant plate 2, and the outer sides of the inner chassis 3 are protected through the rubber corner pads 14 to prevent the inner chassis 3 from being knocked during taking and placing.
In the utility model, preferably, the four corners of the bottom of the inner case 3 are fixedly connected with the supporting columns 15, the tops of the anti-seismic plates 2 are provided with the jacks corresponding to the supporting columns 15, the supporting columns 15 are positioned at the inner sides of the jacks, and when the anti-seismic plates are placed, the supporting columns 15 at the bottom of the inner case 3 are placed corresponding to the jacks at the bottom of the anti-seismic plates 2, so that the inner case 3 is prevented from sliding at the tops of the anti-seismic plates 2.
In the utility model, preferably, an input voltage terminal 16 and an output voltage terminal 17 are arranged on one side of the top of the test panel 8, a control key 18 is arranged on one side of the top of the test panel 8 far away from the input voltage terminal 16 and the output voltage terminal 17, the control key 18 is arranged on one side of the display screen 19, a printer 20 is arranged on one side of the top of the test panel 8 near the output voltage terminal 17, a line to be tested is connected to the input voltage terminal 16 and the output voltage terminal 17 on the bottom top of the test panel 8, a corresponding test instruction is selected through the control key 18, a test host at the bottom of the test panel 8 tests a high-voltage line, the test result is displayed through the display screen 19 on one side of the control key 18, and the test result can be printed through the printer 20 so as to be convenient for analyzing the test result, and the input voltage terminal 16 and the output voltage terminal 17 are arranged on one side far away from the control key 18 so as to avoid harm to human bodies and equipment during testing.
In the utility model, preferably, the power connector 21 and the RS232 interface 22 are arranged on the other side of the top of the test panel 8, which is positioned on the display screen 19, the host inside the inner case 3 is connected with a power supply through the power connector 21 on the top of the test panel 8, and meanwhile, the communication with other devices can be realized through the RS232 interface 22, and the remote communication can also be realized, so that the use is more convenient.
The working principle and the using flow of the utility model are as follows: when in use, the inner case 3 is taken out from the inner part of the outer case 1 through the handle 9, a host in the inner case 3 is connected with a power supply through the power connector 21 at the top of the test panel 8, a line to be tested is connected with the input voltage terminal 16 and the output voltage terminal 17 at the bottom top of the test panel 8, a corresponding test instruction is selected through the control key 18, the test host at the bottom of the test panel 8 tests a high-voltage line, the test result is displayed through the display screen 19 at one side of the control key 18, and can be printed through the printer 20 so as to analyze the test result, the input voltage terminal 16 and the output voltage terminal 17 are arranged at one side far away from the control key 18 for improving the use safety, the harm of induction electricity to human bodies and equipment during the test is avoided, meanwhile, the communication with other devices can be realized through the arrangement of the RS232 interface 22, the remote communication can also be realized, the use is more convenient, the test host computer is used for extracting the air in the inner case 3 from the radiator 7 positioned at the inner side of the ventilation pipe sleeve 4 in the test process, and the outside air enters between the inner case 3 and the ventilation pipe sleeve 4 through the through hole at the inner side of the bottom connecting plate 5 under the action of negative pressure, finally enters the inner case 3 through the top screen plate 6 at the top of the ventilation pipe sleeve 4, so that the air in the inner case 3 circulates, the heat dissipation effect of the host computer is improved, the air inlets and outlets are all arranged at the bottom of the inner case 3, so as to prevent water drops from entering the inner case 3, after the test is finished, the inner case 3 is placed in the inner case 1 through the handle 9, the inner case 3 is supported by the outer case 1 through the arrangement of the shock-resistant plate 2, the jack that corresponds the shock-resistant board 2 bottom with the pillar 15 of interior machine case 3 bottom is placed, prevent that interior machine case 3 from sliding at the top of shock-resistant board 2, and the fixed rubber corner pad 14 that sets up in the four corners department of shock-resistant board 2, protect the outside of interior machine case 3 through rubber corner pad 14, prevent that interior machine case 3 from taking place to collide with when putting, when outer machine case 1 is moving the in-process, the spring 13 in the damper 12 cooperation outside between outer machine case 1 and shock-resistant board 2 has played the absorbing effect, and then prevent that interior machine case 3 from damaging because the bump takes place for the bump, last with outer machine case 1 top rotate the apron 10 of connection with outer machine case 1 block can, the staff accessible outer machine case 1 both sides recess 11 moves and removes.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high-voltage line testing arrangement, includes outer machine case (1), its characterized in that: the utility model discloses a test panel, including outer machine case (1), inner machine case (3), ventilation pipe cover (4), bottom connection board (5) and inner machine case (3) fixed connection are passed through to the bottom of ventilation pipe cover (4), the inboard fixed connection of top otter board (6) and inner machine case (3) are passed through at the top of ventilation pipe cover (4), the through-hole has been seted up to bottom connection board (5) inboard, the inboard lower extreme fixedly connected with radiator (7) of ventilation pipe cover (4), the inboard top fixedly connected with test panel (8) of inner machine case (3), the equal fixedly connected with handle (9) in both sides at inner machine case (3) top, the inside bottom fixedly connected with test host computer that is located test panel (8) of inner machine case (3).
2. The high voltage line testing apparatus of claim 1, wherein: one side of outer machine case (1) top rotates and is connected with apron (10), the opposite side of outer machine case (1) and apron (10) are mutually block connection, recess (11) have all been seted up to the upper end of outer machine case (1) both sides.
3. The high voltage line testing apparatus of claim 1, wherein: the shock-resistant plate is characterized in that dampers (12) are fixedly connected to four corners of the bottom of the shock-resistant plate (2), the other ends of the dampers (12) are fixedly connected with the outer chassis (1), and springs (13) are arranged on the outer sides of the dampers (12).
4. The high voltage line testing apparatus of claim 1, wherein: rubber corner pads (14) are fixedly connected to four corners of the anti-seismic plate (2), and the rubber corner pads (14) are in clearance fit with the inner chassis (3).
5. The high voltage line testing apparatus of claim 1, wherein: the bottom four corners department of interior quick-witted case (3) all fixedly connected with pillar (15), shock-resistant board (2) top corresponds jack has been seted up to pillar (15), pillar (15) are located the inboard of jack.
6. The high voltage line testing apparatus of claim 1, wherein: one side at test panel (8) top is provided with input voltage terminal (16) and output voltage terminal (17), one side that input voltage terminal (16) and output voltage terminal (17) were kept away from at test panel (8) top is provided with control button (18), control button (18) are located one side of display screen (19), one side that test panel (8) top is located output voltage terminal (17) is provided with printer (20).
7. The high voltage line testing apparatus of claim 1, wherein: the top of the test panel (8) is provided with a power connector (21) and an RS232 interface (22) at the other side of the display screen (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222504530.2U CN219201886U (en) | 2022-09-21 | 2022-09-21 | High-voltage line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222504530.2U CN219201886U (en) | 2022-09-21 | 2022-09-21 | High-voltage line testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219201886U true CN219201886U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222504530.2U Active CN219201886U (en) | 2022-09-21 | 2022-09-21 | High-voltage line testing device |
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| Country | Link |
|---|---|
| CN (1) | CN219201886U (en) |
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2022
- 2022-09-21 CN CN202222504530.2U patent/CN219201886U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230719 Address after: Room 1901, Building 1, United Wealth Plaza, No. 2177 Tianchen Road, High tech Zone, Jinan City, Shandong Province, 250101 Patentee after: Shandong shankai Electric Power Co.,Ltd. Address before: 250101 Room 1902, Building 1, United Fortune Plaza, No. 2177, Tianchen Road, High tech Zone, Jinan, Shandong Province Patentee before: SHANDONG SUN-K ELECTRIC Co.,Ltd. |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Lu Yongfeng Document name: Notice of Approval for Fee Reduction |